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/*=========================================================================
Program: OpenIGTLink -- Example for Image Meta Data Server
Language: C++
Copyright (c) Insight Software Consortium. All rights reserved.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include <iostream>
#include <math.h>
#include <cstdlib>
#include <cstring>
#include "igtlOSUtil.h"
#include "igtlMessageHeader.h"
#include "igtlImageMessage.h"
#include "igtlServerSocket.h"
#include "igtlImageMetaMessage.h"
int SendImageMeta(igtl::Socket::Pointer& socket, const char* name);
int main(int argc, char* argv[])
{
//------------------------------------------------------------
// Parse Arguments
if (argc != 2) // check number of arguments
{
// If not correct, print usage
std::cerr << "Usage: " << argv[0] << " <port>" << std::endl;
std::cerr << " <port> : Port # (18944 in Slicer default)" << std::endl;
exit(0);
}
int port = atoi(argv[1]);
igtl::ServerSocket::Pointer serverSocket;
serverSocket = igtl::ServerSocket::New();
int r = serverSocket->CreateServer(port);
if (r < 0)
{
std::cerr << "Cannot create a server socket." << std::endl;
exit(0);
}
igtl::Socket::Pointer socket;
while (1)
{
//------------------------------------------------------------
// Waiting for Connection
socket = serverSocket->WaitForConnection(1000);
if (socket.IsNotNull()) // if client connected
{
std::cerr << "A client is connected." << std::endl;
// Create a message buffer to receive header
igtl::MessageHeader::Pointer headerMsg;
headerMsg = igtl::MessageHeader::New();
//------------------------------------------------------------
// loop
for (int i = 0; i < 100; i ++)
{
// Initialize receive buffer
headerMsg->InitPack();
// Receive generic header from the socket
int rs = socket->Receive(headerMsg->GetPackPointer(), headerMsg->GetPackSize());
if (rs == 0)
{
socket->CloseSocket();
}
if (rs != headerMsg->GetPackSize())
{
continue;
}
// Deserialize the header
headerMsg->Unpack();
// Check data type and receive data body
if (strcmp(headerMsg->GetDeviceType(), "GET_IMGMETA") == 0)
{
std::cerr << "Received a GET_IMGMETA message." << std::endl;
//socket->Skip(headerMsg->GetBodySizeToRead(), 0);
SendImageMeta(socket, headerMsg->GetDeviceName());
}
else
{
// if the data type is unknown, skip reading.
std::cerr << "Receiving : " << headerMsg->GetDeviceType() << std::endl;
socket->Skip(headerMsg->GetBodySizeToRead(), 0);
}
}
}
}
//------------------------------------------------------------
// Close connection (The example code never reaches to this section ...)
socket->CloseSocket();
}
int SendImageMeta(igtl::Socket::Pointer& socket, const char* name)
{
//------------------------------------------------------------
// Allocate Status Message Class
igtl::ImageMetaMessage::Pointer imgMetaMsg;
imgMetaMsg = igtl::ImageMetaMessage::New();
// NOTE: the server should send a message with the same device name
// as the received query message.
imgMetaMsg->SetDeviceName(name);
//---------------------------
// Create 1st meta data
igtl::ImageMetaElement::Pointer imgMeta0;
imgMeta0 = igtl::ImageMetaElement::New();
imgMeta0->SetName("IMAGE_DESCRIPTION_0");
imgMeta0->SetDeviceName("IMAGE_0");
imgMeta0->SetModality("CT");
imgMeta0->SetPatientName("PATIENT_0");
imgMeta0->SetPatientID("PATIENT_ID_0");
igtl::TimeStamp::Pointer ts0;
ts0 = igtl::TimeStamp::New();
ts0->SetTime(1.2345);
imgMeta0->SetTimeStamp(ts0);
imgMeta0->SetSize(512, 512, 64);
imgMeta0->SetScalarType(igtl::ImageMessage::TYPE_UINT16);
//---------------------------
// Create 2nd meta data
igtl::ImageMetaElement::Pointer imgMeta1;
imgMeta1 = igtl::ImageMetaElement::New();
imgMeta1->SetName("IMAGE_DESCRIPTION_1");
imgMeta1->SetDeviceName("IMAGE_1");
imgMeta1->SetModality("MRI");
imgMeta1->SetPatientName("PATIENT_1");
imgMeta1->SetPatientID("PATIENT_ID_1");
igtl::TimeStamp::Pointer ts1;
ts1 = igtl::TimeStamp::New();
ts1->SetTime(2.3456);
imgMeta1->SetTimeStamp(ts1);
imgMeta1->SetSize(256, 128, 32);
imgMeta1->SetScalarType(igtl::ImageMessage::TYPE_UINT16);
//---------------------------
// Create 3rd meta data
igtl::ImageMetaElement::Pointer imgMeta2;
imgMeta2 = igtl::ImageMetaElement::New();
imgMeta2->SetName("IMAGE_DESCRIPTION_2");
imgMeta2->SetDeviceName("IMAGE_2");
imgMeta2->SetModality("PET");
imgMeta2->SetPatientName("PATIENT_2");
imgMeta2->SetPatientID("PATIENT_ID_2");
igtl::TimeStamp::Pointer ts2;
ts2 = igtl::TimeStamp::New();
ts2->SetTime(3.4567);
imgMeta2->SetTimeStamp(ts2);
imgMeta2->SetSize(256, 256, 32);
imgMeta2->SetScalarType(igtl::ImageMessage::TYPE_UINT16);
imgMetaMsg->AddImageMetaElement(imgMeta0);
imgMetaMsg->AddImageMetaElement(imgMeta1);
imgMetaMsg->AddImageMetaElement(imgMeta2);
imgMetaMsg->Pack();
std::cerr << "Size of pack: " << imgMetaMsg->GetPackSize() << std::endl;
std::cerr << "Name of type: " << imgMetaMsg->GetDeviceType() << std::endl;
std::cerr << "Sending a IMGMETA message..." << std::endl;
socket->Send(imgMetaMsg->GetPackPointer(), imgMetaMsg->GetPackSize());
return 1;
}
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